Fig. 1From: The effect of pneumoperitoneum on the cross-sectional areas of internal jugular vein and subclavian vein in laparoscopic cholecystectomy operationImages from a patient’s IJV and SCV measurements by time point T2 and T3. a IJV image and measurements at T2. b IJV image and measurements at T3. c SCV image and measurements at T2. d SCV image and measurements at T3Back to article page